Finding the Fourth Proportional to 133,053,029.78, 183,611,246.91 and 74,316,530.21
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Solution
The fourth proportional to 133,053,029.78, 183,611,246.91 and 74,316,530.21 is: 102,555,731.35
Step by Step Solution
- Step 1: Write the proportion equation
133,053,029.78 : 183,611,246.91 = 74,316,530.21 : x - Step 2: Convert to fraction form
133,053,029.78/183,611,246.91 = 74,316,530.21/x - Step 3: Cross multiply
133,053,029.78x = 183,611,246.91 × 74,316,530.21 - Step 4: Simplify right side
133,053,029.78x = 13,645,350,778,341,814 - Step 5: Solve for x
x = 13,645,350,778,341,814/133,053,029.78 - Step 6: Final answer
x = 102,555,731.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.